Light of wavelength 600 nm in air goes into a medium where the index of refraction is 1.73. What is the frequency of this light in the medium?
A. 
B. 
C. 
D. 
E. 
A.
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How much work is done by a person lifting a 2.0-kg object from the bottom of a well at a constant speed of 2.0 m/s for 5.0 s?
a. 0.22 kJ b. 0.20 kJ c. 0.24 kJ d. 0.27 kJ e. 0.31 kJ
What is the probability of rolling either a 7 or 11 on a single roll of a pair of dice?
a. 1/6 b. 2/9 c. 3/8 d. 1/3 e. 1/2
Light in air is initially traveling parallel to the face AC of an equilateral triangular prism, as shown in the figure
The prism is made of glass with an index of refraction of 1.52. If the light does not strike the face AC, what is the angle between the ray as it leaves the prism at face BC and the normal in air at that face? A) 83° B) 19° C) 59° D) 27° E) 55°
A 777 aircraft has a mass of 300,000 kg. At a certain instant during its landing, its speed is 27.0 m/s. If the braking force is 445,000 N, what is the speed of the airplane 10.0 s later?
A) 10.0 m/s B) 12.2 m/s C) 14.0 m/s D) 18.0 m/s E) 20.0 m/s